JPS5025167A - - Google Patents
Info
- Publication number
- JPS5025167A JPS5025167A JP49019038A JP1903874A JPS5025167A JP S5025167 A JPS5025167 A JP S5025167A JP 49019038 A JP49019038 A JP 49019038A JP 1903874 A JP1903874 A JP 1903874A JP S5025167 A JPS5025167 A JP S5025167A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
Landscapes
- Microwave Tubes (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB768273A GB1451956A (en) | 1973-02-16 | 1973-02-16 | Travelling wave tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5025167A true JPS5025167A (en) | 1975-03-17 |
Family
ID=9837782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49019038A Pending JPS5025167A (en) | 1973-02-16 | 1974-02-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3885192A (en) |
| JP (1) | JPS5025167A (en) |
| CA (1) | CA1000853A (en) |
| DE (1) | DE2319689B2 (en) |
| FR (1) | FR2218643B1 (en) |
| GB (1) | GB1451956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62191690A (en) * | 1986-02-17 | 1987-08-22 | Tokico Ltd | Horizontal type scroll compressor |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4041349A (en) * | 1973-02-16 | 1977-08-09 | English Electric Valve Company Limited | Travelling wave tubes |
| GB1528155A (en) * | 1973-02-16 | 1978-10-11 | English Electric Valve Co Ltd | Travelling wave tubes |
| US4057748A (en) * | 1975-03-08 | 1977-11-08 | English Electric Valve Company Ltd. | Travelling wave tubes |
| US3958147A (en) * | 1975-06-06 | 1976-05-18 | Hughes Aircraft Company | Traveling-wave tube with improved periodic permanent magnet focusing arrangement integrated with coupled cavity slow-wave structure |
| US4072877A (en) * | 1976-07-30 | 1978-02-07 | English Electric Valve Co., Ltd. | Travelling wave tubes |
| US4103207A (en) * | 1977-03-11 | 1978-07-25 | Litton Systems, Inc. | Coupled cavity type traveling wave tube having improved pole piece structure |
| US4433270A (en) * | 1980-01-28 | 1984-02-21 | Drozdov Sergei S | Reversible periodic magnetic focusing system |
| FR2479558A1 (en) * | 1980-04-01 | 1981-10-02 | Thomson Csf | PROGRESSIVE WAVE TUBE WITH COUPLED CAVITIES AND FOCUSING BY ALTERNATE PERMANENT MAGNETS, AND AMPLIFIER ASSEMBLY COMPRISING SUCH A TUBE |
| DE3248693A1 (en) * | 1982-12-30 | 1984-07-05 | Siemens AG, 1000 Berlin und 8000 München | HIKING FIELD TUBES WITH PERIODIC-PERMANENT-MAGNETIC FOCUSING SYSTEM |
| EP0199515B1 (en) * | 1985-04-24 | 1990-12-12 | Eev Limited | Coupled cavity travelling wave tubes |
| JP2739833B2 (en) * | 1995-03-31 | 1998-04-15 | 日本電気株式会社 | Broadband traveling wave tube |
| DE102008064696B4 (en) * | 2008-12-23 | 2022-01-27 | Carl Zeiss Microscopy Gmbh | Magnet array particle optical device and its use for imaging or illumination |
| DE102009032759B4 (en) * | 2009-07-11 | 2011-12-15 | Karlsruher Institut für Technologie | Device for avoiding parasitic oscillations in cathode ray tubes |
| CN102163528B (en) * | 2011-03-10 | 2013-05-15 | 安徽华东光电技术研究所 | Multi-beam coupled cavity traveling-wave tube slow-wave structure and manufacturing method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3010047A (en) * | 1959-03-09 | 1961-11-21 | Hughes Aircraft Co | Traveling-wave tube |
| US3324339A (en) * | 1964-02-27 | 1967-06-06 | Hughes Aircraft Co | Periodic permanent magnet electron beam focusing arrangement for traveling-wave tubes having plural interaction cavities in bore of each annular magnet |
| US3443146A (en) * | 1966-02-16 | 1969-05-06 | Westinghouse Electric Corp | Conductive elements interconnecting adjacent members of the delay structure in a traveling wave tube |
| US3448326A (en) * | 1966-12-08 | 1969-06-03 | Varian Associates | Twt with cloverleaf slow-wave circuit having specially shaped coupling slots |
| US3617802A (en) * | 1970-05-06 | 1971-11-02 | Us Navy | Traveling wave tube |
| US3755706A (en) * | 1972-03-20 | 1973-08-28 | Varian Associates | Miniaturized traveling wave tube |
-
1973
- 1973-02-16 GB GB768273A patent/GB1451956A/en not_active Expired
- 1973-04-18 DE DE19732319689 patent/DE2319689B2/en active Granted
-
1974
- 1974-02-05 CA CA191,784A patent/CA1000853A/en not_active Expired
- 1974-02-15 US US442884A patent/US3885192A/en not_active Expired - Lifetime
- 1974-02-16 JP JP49019038A patent/JPS5025167A/ja active Pending
- 1974-02-18 FR FR7405346A patent/FR2218643B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62191690A (en) * | 1986-02-17 | 1987-08-22 | Tokico Ltd | Horizontal type scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2319689B2 (en) | 1976-09-09 |
| GB1451956A (en) | 1976-10-06 |
| DE2319689A1 (en) | 1974-09-05 |
| FR2218643A1 (en) | 1974-09-13 |
| FR2218643B1 (en) | 1978-10-27 |
| CA1000853A (en) | 1976-11-30 |
| US3885192A (en) | 1975-05-20 |